Above- 30 second video showing how to carve a square
Below- Step by step instruction
Start with a 4″ thick slab of ice. Place it on a piece of carving foam
Using a layout jig set at 12″, scribe lines parallel to the edge of the block
Do this in both directions
Using a chainsaw, Cut right next to the first line
Turn the ice & cut right next to the second line. (always cut on the outside of the line)
The layout jig makes this very easy
Learn to carve this into an Octagon